Silverado 1500 2WD V8-6.0L Hybrid (2009)
Caution: Refer to Fastener Caution.
9. Install the brake pipe manifold bolts (1) and tighten to 11 Nm (97 lb in) .
10. Assemble 4 new O-ring seals to the master cylinder return hose fitting (1) and the master cylinder supply hose fitting (2).
11. Lubricate the new O-ring seals with GM approved brake fluid from a clean, sealed brake fluid container.
12. Install the return and supply hose fittings to the brake modulator valve assembly and tighten to 8 Nm (71 lb in)
13. Install the brake modulator assembly. Refer to Brake Pressure Modulator Valve Replacement.
